authenticator: Add optional method to set PPK

diff --git a/src/libcharon/sa/authenticator.h b/src/libcharon/sa/authenticator.h
index 42d9ce32eee8cab0a2514faa3342b23c210d929c..58a8ca04fa9fbf4ede096d03e8c0fb008c73128b 100644 (file)
--- a/src/libcharon/sa/authenticator.h
+++ b/src/libcharon/sa/authenticator.h
@@ -1,6 +1,6 @@
 /*
+ * Copyright (C) 2008-2018 Tobias Brunner
  * Copyright (C) 2005-2009 Martin Willi
- * Copyright (C) 2008 Tobias Brunner
  * Copyright (C) 2005 Jan Hutter
  * HSR Hochschule fuer Technik Rapperswil
  *
@@ -156,6 +156,17 @@ struct authenticator_t {
         */
        status_t (*build)(authenticator_t *this, message_t *message);
 
+       /**
+        * Optional method to set a Postquantum Preshared Key (PPK) to be used
+        * during authentication.
+        *
+        * Has to be called before the final call to process()/build().
+        *
+        * @param ppk                   PPK to use
+        * @param no_ppk_auth   whether to add a NO_PPK_AUTH notify in build()
+        */
+       void (*use_ppk)(authenticator_t *this, chunk_t ppk, bool no_ppk_auth);
+
        /**
         * Check if the authenticator is capable of mutual authentication.
         *